This topic contains a solution. Click here to go to the answer

Author Question: A swimming pool was sufficiently alkaline so that the carbon dioxide absorbed from the air produced ... (Read 133 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553

Question 1

A solution of NaF(aq) is added dropwise to a solution that is 0.0102 mol L-1 in Ba2+(aq). When the concentration of F-(aq) exceeds ________ mol L-1, BaF2(s) will precipitate. Neglect volume changes. For BaF2(s),
◦ 8.6 × 10-5
◦ 1.3 × 10-2
◦ 1.7 × 10-8
◦ 3.3 × 10-3
◦ 1.7 × 10-4

Question 2

A swimming pool was sufficiently alkaline so that the carbon dioxide absorbed from the air produced a solution in the pool that was 2 × 10-4 M in carbonate ion. If the pool originally contained 4 × 10-3 M Mg2+, 6 × 10-4 M Ca2+, and 8 × 10-7 M Fe2+, then the precipitate that was formed consisted of ________.
(Ksp values are: CaCO3, 4.7 × 10-9; MgCO3, 4.0 × 10-5; FeCO3, 2.0 × 10-11)
◦ only MgCO3
◦ only CaCO3
◦ only FeCO3
◦ only CaCO3 and FeCO3
◦ MgCO3, CaCO3, and FeCO3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by BRWH on Jul 8, 2021

ryhom

  • Sr. Member
  • ****
  • Posts: 366
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 8, 2021
Excellent


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library